Evaluating Tests of Second Language Development : A Framework and an Empirical Study

The book introduces a framework for examining the validity of tests that aim to assess second-language proficiency development over time and/or in relation to second-language instruction. The book reports the findings of a longitudinal study that examined the sensitivity to change of a test of second-language proficiency development.

The book introduces a framework for examining the validity of tests that aim to assess second-language (L2) proficiency development over time and/or in relation to L2 instruction. It also reports the findings of a longitudinal study that aimed to examinethe sensitivity to change of a test of L2 proficiency development. Specifically, the study examined changes over time in Progress scores and the linguistic characteristics of essays written in response to Progress by learners who took the test before, during and after a period of L2 instruction in different countries. The book furthers our understanding of the nature of L2 proficiency as it develops over time and in relation to L2 instruction and provides a framework that can be used in future endeavoursto design and validate tests of L2 proficiency development. The book is intended for graduate students, test developers, and researchers doing research in applied linguistics and L2 assessment.